Nelson Arturo Liriano Bonilla (born June 3, 1964) is a Dominican former professional baseball second baseman.

He played in Major League Baseball from 1987 through 1998 for the Toronto Blue Jays, Minnesota Twins, Kansas City Royals, Colorado Rockies, Pittsburgh Pirates, and Los Angeles Dodgers.

Before turning professional, Liriano played amateur baseball for Villa de Monte Llano.

In 2007 and 2008, Liriano was the hitting coach for the Wilmington Blue Rocks, and served as the manager of the Burlington Royals from 2009 to 2011.

In a six-day span with the Toronto Blue Jays in 1989, Liriano broke up two no-hitters in the ninth inning.